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Crosman air pistol - General discussion / Re: The Ultimate Crosman CO2 pistol
« Last post by BillK on June 13, 2018, 03:40:40 AM »
I know you are pissed right now >:(  but, later think about that your going to take a good hit on selling a new/used gun.  Probably more than the cost of a new 14" LW barrel.   Plus you will have a 10" LW barrel to either use or sell.  You really do have some options.  Keep the door open. ;)
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Ahhhh it just frustrates me because I should have ordered the 2400 with the 14" LW .22 barrel and cut it down.

They should organize the barrel selections by caliber, not a scrolling band. In all my looking back and forth between the models and options I selected the wrong barrel - and they don't offer the barrel I want.

I'll sell it. I'll be fine with my 1322.



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Crosman air pistol - General discussion / Re: The Ultimate Crosman CO2 pistol
« Last post by BillK on June 12, 2018, 09:26:57 PM »
Now that you have ordered a Custom Shop item you may qualify to order a 14" LW barrel.  That barrel could be cut from the transfer port end to any size.  Wyoman has much info on drilling a new transfer port & doing the lead in. 
Just a thought.....  ???
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Aghhh hey do NOT MAKE a 10" .22 LW barrel.

They offered to change the order to a 10" Crosman .22 barrel but I am just disgusted they don't have the barrel I want. I told them to just leave the order alone and I'll sell it.
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I just discovered that I made an error when I placed the order and now I have a .177 pellet gun coming that i do not want - I wanted .22  >:(

We'll find out today if Crosman will fix this of I am scr**ed and have to sell the thing.  >:( >:( >:(
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Crosman air pistol - General discussion / Re: Some test results 1377 mods
« Last post by BillK on June 12, 2018, 12:34:25 AM »
Those are great numbers!  And it sounds like you have an accurate barrel to go along with them.   
IIRC increasing the valve  volume on a .177 is not recommended.  There are some mild gains to be made in .22 but not in .177.  Something about the capacity of the barrel to make use of the additional volume of air from an increased volume valve. 
However pinning the valve is definitely recommended.  With the number of pumps you are using, that valve should be pinned.  It, pinning, will be more helpful than increasing valve volume and will prolong the life of your gun.
It's a "must do" IMHO.  Lots of info here.  Check out Wyoman posts.
Have fun & straight shooting...…. :) 
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Crosman air pistol - General discussion / Re: Some test results 1377 mods
« Last post by JWL79 on June 10, 2018, 10:42:47 PM »
I haven't taken it out past 20 yards but it is a tack driver, nickel size groups usually, dime size if I am trying hard. 10 yards once I  put 5 pellets thru the same hole.
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Crosman air pistol - General discussion / Re: Some test results 1377 mods
« Last post by arkmaker on June 10, 2018, 10:15:36 PM »
Those look like great numbers JW! Looks like you have done your homework. Is the accuracy as good? I think that the tree rats will be moving out of your area once they know that you have that :-)
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Crosman air pistol - General discussion / Some test results 1377 mods
« Last post by JWL79 on June 10, 2018, 07:33:39 AM »
I have been tinkering with my 1377 for some time now and I finally got a chrono. I did a lot of testing with 9 different pellets and got some decent results. I tested each pellet with 3, 5, 8, 10, 15, 20 & 25 pumps. I can post all results if you are interested. I have so far added a stock, FT valve & piston, steel breech, 16" barrel, adjustable trigger, polished the sear and trigger, polished hammer, and made a few valve mods (change port angle & valve stem mod). I am considering cutting a few threads on the Male portion of the valve to gain some space but I don't know if it is worth the trouble.

After messing with the  valve mods I got the following at 25 pumps:
Crosman Destroyer 7.4gr 775.6 fps or 9.89 fpe
Crosman Penetrator 5.4gr 867.1 fps or 9.02 fpe
Crosman ultra mag 10.5gr 677.5 fps or 10.7 fpe
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Crosman air pistol - General discussion / Re: The Ultimate Crosman CO2 pistol
« Last post by BillK on June 09, 2018, 04:14:13 AM »

Learned something new! I always assumed that the m-rod pistol and the m-rod rifle shared the same trigger assembly.


Here is a P-rod pistol mounted in a cut down & drilled for gauge 2260 stock with a M-rod trigger assy.  It is a sweet shooter with a LW barrel.

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